CN107033918A - A kind of preparation method of charcoal biological humic composite soil modifier - Google Patents
A kind of preparation method of charcoal biological humic composite soil modifier Download PDFInfo
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- CN107033918A CN107033918A CN201710320852.2A CN201710320852A CN107033918A CN 107033918 A CN107033918 A CN 107033918A CN 201710320852 A CN201710320852 A CN 201710320852A CN 107033918 A CN107033918 A CN 107033918A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K17/00—Soil-conditioning materials or soil-stabilising materials
- C09K17/40—Soil-conditioning materials or soil-stabilising materials containing mixtures of inorganic and organic compounds
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- Inorganic Chemistry (AREA)
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- General Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
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- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
- Treatment Of Sludge (AREA)
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Abstract
The invention discloses a kind of preparation method of charcoal biological humic composite soil modifier, charcoal is prepared using sewage plant excess sludge and fannings slag by method for pyrolysis first, then fermentation is carried out to bagasse using composite bacteria and biological humic is made, charcoal and biological humic acid compounding are made by soil conditioner by a series of processing step, with certain water solubility, it can precipitate and adsorb the heavy metal ion in soil, the effect of soil improvement is reached by ion exchange, the present invention is with low cost, discarded object is used for primary raw material, the treatment of wastes with processes of wastes against one another, technique is easy to control, the product bioactivity being made is high, secondary pollution will not be caused to environment, it is worthy to be popularized.
Description
Technical field
The present invention relates to soil conditioner technical field, more particularly to a kind of charcoal biological humic compound land improving
The preparation method of agent.
Background technology
With the development of industry and commerce, the increase of population, deterioration of the ecological environment problem is further serious caused by mankind's activity,
Wherein, heavy metal pollution of soil is particularly problematic.Heavy metal pollution of soil refers to because mankind's activity makes heavy metal in soil
Content apparently higher than its nature content, and cause eco-environmental quality deteriorate phenomenon.Heavy metal is in soil with not
Same chemical form is present, and can accumulate, migrate in soil, and is enriched on crop, directly or indirectly have impact on the mankind and is good for
Health.As can be seen here, heavy metal pollution of soil turns into subject matter urgently to be resolved hurrily.
Biological organic matter can be adsorbed and heavy metal ion in fixing soil, the validity of low heavy metal in soil.Wherein
Fulvo acid is one of main organic matter for administering heavy-metal contaminated soil, and it can be chelated with soil heavy metal ion
Activity of the cadmium in soil.But humic acid on the market is made up of mineralogical composition more, mineralization degree is high, it is not easy to be dissolved in water,
Fermentation is carried out using bagasse and is prepared into biological humic, can be efficiently utilized bagasse discarded object.Charcoal is
The biomass of rich carbon organic matter at a certain temperature (300-700 DEG C), by being thermally treated resulting under anaerobic or anoxia condition
Solid residue, with rich in carbon, loose structure, height aromatization, it is relatively stable the features such as, can effective improved soil
Structure, holding moisture and nutrient, fixed carbon and rehabilitating soil etc., and in control greenhouse gas emission, organic waste goods and materials
Source utilizes, repairs and can play a significant role in terms of contaminated water body.In order to preferably solve heavy-metal contaminated soil
Reparation problem, it is necessary to which the preparation technology to biological humic and charcoal is further improved, to meet low-carbon ring
Guarantor, the efficient, purpose of the treatment of wastes with processes of wastes against one another.
The content of the invention
The object of the invention is exactly that there is provided a kind of charcoal biological humic composite soil in order to make up the defect of prior art
The preparation method of modifying agent.
The present invention is achieved by the following technical solutions：
A kind of preparation method of charcoal biological humic composite soil modifier, including step in detail below：
（1）By sewage plant excess sludge be placed on it is outdoor air-dried, then cross 100 mesh sieves it is stand-by；Fannings slag is put into baking oven
In it is dry 2-3 hours with 70-80 DEG C, after cooling take out, cross 100 mesh sieves it is stand-by；
（2）Dried sewage plant excess sludge and fannings slag are put into crucible, after being well mixed in feeding Muffle furnace, slowly
300-350 DEG C is heated to, is pyrolyzed 100-120 minutes, is cooled to after room temperature and takes out to obtain charcoal；
（3）Bagasse is crushed with pulverizer, is put into after crossing 35-40 mesh sieves in batch mixer, bagasse quality 2-3% urine is added
Element, suitable quantity of water, the water content for controlling compound are 50-55%, and stirring continuously adds bagasse quality 5-7% compound bacteria with after
Kind, it is sufficiently stirred at room temperature 30-40 minutes with 400-500 revs/min of speed；
（4）By step（3）Mixed material after stirring, which is inserted in fermentation tank, to be fermented, and control temperature is sent out in 28-30 DEG C of constant temperature
Ferment 20-25 days, is terminated fermentation, finally tunning is put into low-temperature vacuum drying case and is dried with 3-5 DEG C, is crushed, mistake
100 mesh sieves, obtain biological humic；
（5）By step（2）Obtained charcoal and step（4）It is well mixed under obtained biological humic normal temperature, you can.
A kind of preparation method of charcoal biological humic composite soil modifier, step（1）Described sewage plant is remaining
Moisture content after sludge air drying is 7-8%, and the moisture content after the drying of fannings slag is 4-5%.
A kind of preparation method of charcoal biological humic composite soil modifier, a kind of biological rotten plant of described charcoal
The preparation method of sour composite soil modifier, step（2）Described dried sewage plant excess sludge, dried fannings slag
With step（3）The quality proportioning of described bagasse is 3:7:10.
A kind of preparation method of charcoal biological humic composite soil modifier, step（3）It is described described compound
Strain refers to trichoderma, streptomycete, bacillus licheniformis, the mixed bacteria of saccharomycete, and effectively total viable count >=10,000,000,000/g.
Trichoderma, streptomycete, bacillus licheniformis, saccharomycete, addition account for the 10- of the effective total viable count of composite bacteria respectively
30%、5-15%、40-60%、5-10%。
It is an advantage of the invention that：The present invention is pyrolyzed into charcoal by fannings slag and sewage plant excess sludge, passes through science
Rational composition proportion, improves the content of organic matter, by pyrolysis, and fractions are changed into ash content, fannings slag portion in mixture
Horizontal integration of the cellulose in pyrolytic process between chain macromolecule is divided to be destroyed, the space between micella and inside micella increases
Plus, the more flourishing charcoal of surface void structure is formed, the residence time is pyrolyzed by Reasonable adjustment, it is to avoid to the pore structure of formation
Destroyed, so as to improve the adsorption capacity of product.
The present invention using trichoderma, streptomycete, bacillus licheniformis and saccharomycete compounding, to the lignin in bagasse,
Cellulose has stronger capacity of decomposition, and carbon source is grown as composite bacteria, by ferment at constant temperature, obtains rich in fulvic acid, greatly
Measure live body beneficial flora, organic matter, the biological humic acid of amino acid.
By a series of processing step soil conditioner is made in charcoal and biological humic acid compounding by the present invention, is had
Certain water solubility, can precipitate and adsorb the heavy metal ion in soil, and the effect of soil improvement is reached by ion exchange,
The present invention is with low cost, uses discarded object for primary raw material, the treatment of wastes with processes of wastes against one another, and technique is easy to control, the product bioactivity being made
Height, will not cause secondary pollution to environment, be worthy to be popularized.
Embodiment
A kind of preparation method of charcoal biological humic composite soil modifier, including step in detail below：
（1）By sewage plant excess sludge be placed on it is outdoor air-dried, then cross 100 mesh sieves it is stand-by；Fannings slag is put into baking oven
In with 70 DEG C dry 2 hours, after cooling take out, cross 100 mesh sieves it is stand-by；
（2）The dried sewage plant excess sludges of 15 ㎏ and 35 ㎏ fannings slags are put into crucible, Muffle is sent into after being well mixed
In stove, 300 DEG C are slowly heated to, is pyrolyzed 100 minutes, is cooled to after room temperature and takes out to obtain charcoal；
（3）50 ㎏ bagasse are crushed with pulverizer, are put into after crossing 35 mesh sieves in batch mixer, 1 ㎏ urea, 25 kilograms of water are added,
Stirring continuously adds 0.75 ㎏ trichodermas, 0.25 ㎏ streptomycetes, 1.25 ㎏ bacillus licheniformis, 0.25 ㎏ saccharomycete with after, with
400 revs/min of speed is sufficiently stirred for 30 minutes at room temperature；
（4）By step（3）Mixed material after stirring, which is inserted in fermentation tank, to be fermented, and control temperature is in 28 DEG C of ferment at constant temperature 20
My god, terminate fermentation, finally tunning is put into low-temperature vacuum drying case and is dried with 3 DEG C, crush, cross 100 mesh sieves, obtain
To biological humic；
（5）By step（2）Obtained charcoal and step（4）It is well mixed under obtained biological humic normal temperature, you can.
Claims (5)
1. a kind of preparation method of charcoal biological humic composite soil modifier, it is characterised in that including walking in detail below
Suddenly：
（1）By sewage plant excess sludge be placed on it is outdoor air-dried, then cross 100 mesh sieves it is stand-by；Fannings slag is put into baking oven
In it is dry 2-3 hours with 70-80 DEG C, after cooling take out, cross 100 mesh sieves it is stand-by；
（2）Dried sewage plant excess sludge and fannings slag are put into crucible, after being well mixed in feeding Muffle furnace, slowly
300-350 DEG C is heated to, is pyrolyzed 100-120 minutes, is cooled to after room temperature and takes out to obtain charcoal；
（3）Bagasse is crushed with pulverizer, is put into after crossing 35-40 mesh sieves in batch mixer, bagasse quality 2-3% urine is added
Element, suitable quantity of water, the water content for controlling compound are 50-55%, and stirring continuously adds bagasse quality 5-7% compound bacteria with after
Kind, it is sufficiently stirred at room temperature 30-40 minutes with 400-500 revs/min of speed；
（4）By step（3）Mixed material after stirring, which is inserted in fermentation tank, to be fermented, and control temperature is sent out in 28-30 DEG C of constant temperature
Ferment 20-25 days, is terminated fermentation, finally tunning is put into low-temperature vacuum drying case and is dried with 3-5 DEG C, is crushed, mistake
100 mesh sieves, obtain biological humic；
（5）By step（2）Obtained charcoal and step（4）It is well mixed under obtained biological humic normal temperature, you can.
2. a kind of preparation method of charcoal biological humic composite soil modifier according to claim 1, its feature
It is, step（1）Moisture content after described sewage plant excess sludge is air-dried is 7-8%, and the moisture content after the drying of fannings slag is 4-
5%。
3. a kind of preparation method of charcoal biological humic composite soil modifier according to claim 1, its feature
It is, a kind of preparation method of described charcoal biological humic composite soil modifier, step（2）Described is dried
Sewage plant excess sludge, dried fannings slag and step（3）The quality proportioning of described bagasse is 3:7:10.
4. a kind of preparation method of charcoal biological humic composite soil modifier according to claim 1, its feature
It is, step（3）Described described composite bacteria refers to trichoderma, streptomycete, bacillus licheniformis, the Mixed Microbes of saccharomycete
Kind, and effectively total viable count >=10,000,000,000/g.
5. trichoderma according to claim 4, streptomycete, bacillus licheniformis, saccharomycete, it is characterised in that addition point
10-30%, 5-15%, 40-60%, 5-10% of the effective total viable count of composite bacteria are not accounted for.
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107502370A (en) * | 2017-09-28 | 2017-12-22 | 惠州市支持网知识产权运营有限公司 | A kind of preparation method of composite soil modifier |
| CN109530414A (en) * | 2018-11-09 | 2019-03-29 | 中国科学院广州能源研究所 | A method of utilizing compost humic acid repairing heavy metal in soil |
| CN109759438A (en) * | 2019-01-25 | 2019-05-17 | 湖南新九方科技有限公司 | A kind of restorative procedure of organic polluted soil |
| CN110055079A (en) * | 2019-04-22 | 2019-07-26 | 陕西科技大学 | A kind of soil-repairing agent and its preparation method and application |
| CN110482811A (en) * | 2019-08-30 | 2019-11-22 | 江苏格瑞威环保科技有限公司 | A kind of reclaiming industrial sludge processing method |
| CN110564425A (en) * | 2019-09-16 | 2019-12-13 | 赵龙 | heavy metal contaminated soil remediation agent and preparation method and use method thereof |
| CN111019666A (en) * | 2019-07-04 | 2020-04-17 | 湖南科技大学 | Modifier and preparation method thereof and method for blocking heavy metal absorption of crops |
| CN111849504A (en) * | 2020-08-06 | 2020-10-30 | 天津科技大学 | Preparation method of biological activated vinegar residue biochar, product and application thereof |
| CN112403437A (en) * | 2020-10-30 | 2021-02-26 | 太原师范学院 | Iron tailing heavy metal adsorbent and application thereof |
| CN113698938A (en) * | 2020-05-22 | 2021-11-26 | 中国环境科学研究院 | Humic acid-earthworm-semicoke soil improvement technical method |
| CN113698937A (en) * | 2020-05-22 | 2021-11-26 | 中国环境科学研究院 | Humic acid-earthworm-semicoke soil improvement technical method |
| US11858836B2 (en) | 2017-09-18 | 2024-01-02 | Huazhong University Of Science And Technology | Sludge composite conditioner based on iron-containing sludge pyrolysis residue as well as preparation method and use thereof |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11858836B2 (en) | 2017-09-18 | 2024-01-02 | Huazhong University Of Science And Technology | Sludge composite conditioner based on iron-containing sludge pyrolysis residue as well as preparation method and use thereof |
| CN107502370A (en) * | 2017-09-28 | 2017-12-22 | 惠州市支持网知识产权运营有限公司 | A kind of preparation method of composite soil modifier |
| CN109530414B (en) * | 2018-11-09 | 2021-05-04 | 中国科学院广州能源研究所 | Method for restoring heavy metals in soil by utilizing compost humic acid |
| CN109530414A (en) * | 2018-11-09 | 2019-03-29 | 中国科学院广州能源研究所 | A method of utilizing compost humic acid repairing heavy metal in soil |
| CN109759438A (en) * | 2019-01-25 | 2019-05-17 | 湖南新九方科技有限公司 | A kind of restorative procedure of organic polluted soil |
| CN110055079A (en) * | 2019-04-22 | 2019-07-26 | 陕西科技大学 | A kind of soil-repairing agent and its preparation method and application |
| CN111019666A (en) * | 2019-07-04 | 2020-04-17 | 湖南科技大学 | Modifier and preparation method thereof and method for blocking heavy metal absorption of crops |
| CN110482811B (en) * | 2019-08-30 | 2022-06-17 | 江苏格瑞威环保科技有限公司 | Industrial sludge recycling treatment method |
| CN110482811A (en) * | 2019-08-30 | 2019-11-22 | 江苏格瑞威环保科技有限公司 | A kind of reclaiming industrial sludge processing method |
| CN110564425A (en) * | 2019-09-16 | 2019-12-13 | 赵龙 | heavy metal contaminated soil remediation agent and preparation method and use method thereof |
| CN113698938A (en) * | 2020-05-22 | 2021-11-26 | 中国环境科学研究院 | Humic acid-earthworm-semicoke soil improvement technical method |
| CN113698937A (en) * | 2020-05-22 | 2021-11-26 | 中国环境科学研究院 | Humic acid-earthworm-semicoke soil improvement technical method |
| CN111849504A (en) * | 2020-08-06 | 2020-10-30 | 天津科技大学 | Preparation method of biological activated vinegar residue biochar, product and application thereof |
| CN112403437A (en) * | 2020-10-30 | 2021-02-26 | 太原师范学院 | Iron tailing heavy metal adsorbent and application thereof |
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Application publication date: 20170811 |